Cabal revisions of ghcid-0.1

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 build-type:         Simple name:               ghcid version:            0.1+x-revision: 1 license:            BSD3 license-file:       LICENSE category:           Development         base == 4.*,         filepath,         time,-        directory,+        directory >= 1.2,         process >= 1.1,         cmdargs >= 0.10